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From: Sascha Hauer <sha@pengutronix.de>
To: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: barebox@lists.infradead.org, mfe@pengutronix.de
Subject: Re: [PATCH v2 1/3] mci: core: act upon broken-cd device tree property
Date: Tue, 4 Oct 2022 10:53:39 +0200	[thread overview]
Message-ID: <20221004085339.GJ986@pengutronix.de> (raw)
In-Reply-To: <20220930153317.731088-1-a.fatoum@pengutronix.de>

On Fri, Sep 30, 2022 at 05:33:15PM +0200, Ahmad Fatoum wrote:
> We didn't care much for broken-cd so far, still we have some drivers
> implementing the card_present callback, which we should ignore when
> card-detect is marked broken.
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
> ---
> v1 -> v2:
>   - new patch
> ---
>  drivers/mci/mci-core.c | 12 ++++++++----
>  include/mci.h          |  1 +
>  2 files changed, 9 insertions(+), 4 deletions(-)

Applied, thanks

Sascha

> 
> diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c
> index 8c08a4f61f63..5f4457bab3df 100644
> --- a/drivers/mci/mci-core.c
> +++ b/drivers/mci/mci-core.c
> @@ -1750,10 +1750,13 @@ static int mci_card_probe(struct mci *mci)
>  	int i, rc, disknum, ret;
>  	bool has_bootpart = false;
>  
> -	if (host->card_present && !host->card_present(host) &&
> -	    !host->non_removable) {
> -		dev_err(&mci->dev, "no card inserted\n");
> -		return -ENODEV;
> +	if (host->card_present && !host->card_present(host) && !host->non_removable) {
> +		if (!host->broken_cd) {
> +			dev_err(&mci->dev, "no card inserted\n");
> +			return -ENODEV;
> +		}
> +
> +		dev_info(&mci->dev, "no card inserted (ignoring)\n");
>  	}
>  
>  	ret = regulator_enable(host->supply);
> @@ -2043,6 +2046,7 @@ void mci_of_parse_node(struct mci_host *host,
>  		}
>  	}
>  
> +	host->broken_cd = of_property_read_bool(np, "broken-cd");
>  	host->non_removable = of_property_read_bool(np, "non-removable");
>  	host->no_sd = of_property_read_bool(np, "no-sd");
>  	host->disable_wp = of_property_read_bool(np, "disable-wp");
> diff --git a/include/mci.h b/include/mci.h
> index 2098b4fbf084..d949310fac30 100644
> --- a/include/mci.h
> +++ b/include/mci.h
> @@ -404,6 +404,7 @@ struct mci_host {
>  	unsigned max_req_size;
>  	unsigned dsr_val;	/**< optional dsr value */
>  	int use_dsr;		/**< optional dsr usage flag */
> +	int broken_cd;		/**< card detect is broken */
>  	bool non_removable;	/**< device is non removable */
>  	bool no_sd;		/**< do not send SD commands during initialization */
>  	bool disable_wp;	/**< ignore write-protect detection logic */
> -- 
> 2.30.2
> 
> 
> 

-- 
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      parent reply	other threads:[~2022-10-04  8:55 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-30 15:33 Ahmad Fatoum
2022-09-30 15:33 ` [PATCH v2 2/3] mci: core: add broken_cd device parameter Ahmad Fatoum
2022-09-30 15:33 ` [PATCH v2 3/3] mci: core: fixup broken-cd information into kernel DT Ahmad Fatoum
2022-09-30 16:22 ` [PATCH v2 1/3] mci: core: act upon broken-cd device tree property Ahmad Fatoum
2022-10-04  8:53 ` Sascha Hauer [this message]

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